Final answer:
Among the given options, 'Quiescent period: total heart relaxation between heartbeats' is correctly matched. Stroke volume refers to blood pumped per heartbeat, diastole is a relaxation phase, and systole is a contraction phase of the heart.
Step-by-step explanation:
The student's question pertains to various aspects of the cardiac cycle. Among the options provided, the one that is correctly matched is (c) Quiescent period: total heart relaxation between heartbeats. In regards to the other options: Stroke volume is the amount of blood pumped out by each ventricle with each heartbeat, not in one minute; Diastole is the period when the heart muscle is relaxed and the chambers fill with blood, not the contraction period; and Systole is the phase of the cardiac cycle when the heart contracts and pushes blood out, not a relaxed period. The cardiac cycle consists of alternation between systole (contraction) and diastole (relaxation), crucial for effective blood circulation.